Just over two months from the debacle in Lisbon against Bayern Munich, Barca return to a Champions League that has become the great pending subject in the last decade.
The side managed by Ronald Koeman will start their Champions League campaign on Tuesday against Hungarian side Ferencvaros.
The visitors return to Europe's premier competition for the first time in 25 years. Have a look at the probable line-ups:
Barcelona XI: Neto; Dest, Piqué, Lenglet, Junior; Busquets, Pjanic; Messi, Coutinho, Ansu Fati; and Griezmann.
Ferencvaros XI: Dibusz; Lovrencsics, Blažič, Kovačević, Ćivić; Sigér, Kharatin, Somália; Zubkov, Isael and Nguen.